A leaky pipeline : macroprudential policy shocks, non-bank financial intermediation and systemic risk in Europe

How does macroprudential regulation affect financial stability in the presence of non-bank financial intermediaries? We estimate the contributions of traditional banks vis-'a-vis non-bank financial intermediaries to changes in systemic risk - measured as ∆CoVaR - after macroprudential policy shocks in European countries. We find that while tighter macro-prudential regulation, generally, decreases systemic risk among traditional banks, it has the opposite effect on systemic risk in the non-bank financial intermediation sector. For some types of regulations, the latter effect is even stronger than the former, indicating that macro-prudential tightening increases systemic risk in the entire financial system, through leakages between the traditional and the non-bank financial intermediation sectors.